Final answer:
When using the direct approach to deliver negative messages, it is important to end the message on a respectful note and maintain a courteous tone.
Step-by-step explanation:
When using the direct approach to deliver negative messages, you should end the message on a respectful note. It is important to maintain a polite and courteous tone in your email and avoid being too informal or familiar. While it is advisable to include a buffer at the beginning of the message, it is not necessary to provide reasons for the decision or information. Additionally, it is important to consider the impact of your message on the reader and avoid offensive statements.